HVAC Supervisor - Gas Bias

OCS; Greater London; On-site; GBP 32,000 - 46,000; Full time

Benefits offered by this job

Retail discounts via Hapi app

OCS Academy digital learning

Flexible pay with Wagestream

Job summary

OCS UK & Ireland is seeking a dedicated First-Line Supervisor to join the Mobile Team. This hands-on supervisory role combines leadership with active participation in core engineering maintenance and reactive work, prioritising safety, service quality, and client satisfaction.

You will review weekly timesheets, manage toolbox talks, and support the SDM/Operations manager with BAU tasks, while ensuring compliance with health and safety regulations and contractual requirements.

Qualifications

• Time-served engineer with Building services / GAS expertise.
• Valid driving license.
• Commitment to safety and high-quality workmanship.

Responsibilities

• Oversee engineering operations and supervise the team to maintain efficiency and performance.
• Liaise with clients to foster strong relationships and provide outstanding service.
• Attend meetings to provide technical insights and updates to SDM/Operations manager.

Skills

Building services / GAS

Time-served engineer

Customer-focused

Self-sufficiency & teamwork

Effective communication

Problem-solving mindset

Education

F-gas CAT 1 qualified

COCN1

CODNC01

CIGA1

CORT1

ICPN1

TPCP1

TPCP1A

CCN1

CENWAT

CKR1

HTR1

Job description

About The Role:

We areseekinga dedicated professional to join our Mobile Team as aFirst-Line Supervisorwithin a mobile engineering environment.The successful candidate will play a crucial role in overseeing engineering operations, ensuring seamless coordination and support.

Responsibilities will Include:

• Supervising the engineering team tomaintainefficiency and performance.


• Liaising with clients to foster strong relationships and provide outstanding service.


• Attending meetings to contribute valuable technical insights.


• Providing technical support to the Service Delivery Manager (SDM)/ Operations manager.


• Conducting technical audits.


• Supporting the SDM/ Operations manager with anyother BAU requirements.

This is ahands-on supervisory role, meaning the candidate will not only lead but also activelyparticipatein core engineering maintenance and reactive works. Excellence incustomer serviceis paramount, ensuring our clients receive top-tier support and solutions.

As part of the Mobile Team, the successful candidate will oversee and actively contribute to the technical aspects of engineering operations.

Key Responsibilities Include:

• Review and validation: Conduct weekly timesheet reviews, approveovertimeandvalidatetechnical paperwork and statutory documentation.


• Health & Safety – Drive Health and Safety through the delivery of toolbox talks and hazard reporting via Eco Online.


• Monitoring: Monitor sickness levels and carry out return to work interviewsin a timely manner. Engage with SDM about any sickness that needs further escalation to HR.


• Technical training & development: Act as the designated super user for handheld devices, providing training and guidance to engineers on the proper use of OCS Q and lead on training during inductions for new starters.


• Documentation assessment: Regularly review engineer and subcontractor paperwork,identifyingpotentialadditionalwork opportunities and necessary reactive repairs from maintenance inspections.


• Audit & compliance: Perform audits of site logbooks, engineering activities, subcontractor operations, and ensure all tools, equipment, and vehicle inspections are completed asrequired.


• Helpdesk technical support: Provideexpert guidance to the SCTS helpdesk on reactive jobs and support monthly planning for core PPM engineering work.


• Stakeholder engagement: Attend SDM meetings as needed, offering detailed updates on challenges and ongoing issues related to M&E and Fabric services.


• Leadership & supervision: Step in to deputize for the Maintenance SDM wheneverrequired.


• Engineering operations: Execute PPM, proactive, and reactive work within designatedtime frames, ensuring client expectations are met.


• Emergency response: Participatein on-call rotation, delivering emergency callout services asrequired.


• Contractor oversight: Monitor subcontractor activities and workmanship on behalf of SDMs, ensuring compliance with industry and company standards.


• Quality assurance: Maintainequipment and surrounding areas in line with agreed company standards.


• Client engagement: Uphold a professional service approach, proactively addressing client concerns andescalatingas necessary.


• Contract & safety awareness: Ensure full understanding of contractual requirements and customer expectations while strictly adhering to Health & Safety legislation and OCS policies

Essential Requirements

To be considered for this role, candidates must meet the following criteria:

• Time-served engineer withexpertiseBuilding services /GAS,possessinga minimum of two years of full post-apprenticeship experience.


• Valid driving license

Desirable Skills & Attributes

• The ideal candidate willdemonstratethe following qualities:


• Customer-focused approach


• Self-sufficiency & teamwork


• Commitment to safety


• Problem-solving mindset


• Effective communication


• Technicalproficiency


• Risk awareness & escalation

Qualifications Required

While the qualifications required will depend on the role, here are some of the key certification’s we are looking for:

• F-gas CAT 1 qualified


• COCN1


• CODNC01


• CIGA1


• CORT1


• ICPN1


• TPCP1


• TPCP1A


• CCN1


• CENWAT


• CKR1


• HTR1

About The Company

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering.

Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

Why Work for OCS?

Award-Winning Employer: Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.

Digital Learning: The OCS Academy offers digital courses and resources to help you build skills and grow your career.

Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

Professional Growth: 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!

Flexible Pay: Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)